R32 Chân khoan tự khoan Q235 Thép rỗng Bolt Grouting cho ổn định dốc

Cathy
August 18, 2025
Keyword: Neo tự khoan
Video Description:
Discover the R32 Q235 Steel Hollow Grouting Self Drilling Anchor Bolt, designed for slope stabilization and tunneling pre-support. This innovative bolt combines drilling, grouting, and anchoring in one operation, perfect for weak or broken formations. Learn about its features, technical parameters, and applications in this detailed video.